Unit 1 The world of our senses-Welcome to the unit课件1（牛津译林版必修3.ppt

金太阳新课标资源网 Unit 1 The world of our senses Welcome to the unit Unit 1 The world of our senses-Welcome to the unit课件1（牛津译林版必修3） Brainstorming With what can we see and hear? How can we know whether a dish is delicious? How can we know that a flower has a pleasant smell? What do we do when we want to know whether the water in the basin is hot or cold? How do we know about the world around us? Fill in the table We do with the sense see eyes sight hear taste smell touch/feel ears hearing tongue/taste buds taste nose smell hands/feet/skin touch What would happen if you lostone or two of your senses? A person who cannot see is_______ and someone who cannot hear is ________. blind deaf Read the short passage on page 1 Read the short passage on page 1 Do you know how blind people can read? They can read by touching raised dots which represent numbers and letters. This system is called Braille. How do the deaf communicate with each other? They use body language or sign language. Look at the four pictures and answer the question below each picture. What can you see in this picture? How would you judge the length of the two lines? How can you prove that the two lines are straight? Can the symbols be read in only one way? Why are people misled by their own eyes. Picture 1 If they look at the white part, you can see a vase,if you look at the black part, they can see two faces. Picture2 You can use two pieces of paper to cover both ends of the two lines Picture3 They can place a ruler next to the line. They can also use a ruler draw more straight lines which run parallel to the two lines. Pictures4 K B R M, or K,13,R,M What do you see in the picture? How many people can you see in the picture? How many people in the picture? Of course we can see an old man. Look more carefully! What else can you see? Move or not? Why are people mislead by their own eyes? Because the background or other lines confuse the eyes. Also ,w